Orthacodontidae
| Orthacodontidae Temporal range:
| |
|---|---|
| |
| The head of a Sphenodus nitidus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Family: | †Orthacodontidae Glikman, 1957 |
| Genera | |
Orthacodontidae is an extinct family of sharks. It is disputed as to whether it belongs to the modern shark order Hexanchiformes,[1] or the extinct order Synechodontiformes.[2] It contains two genera. Some other authors included it in Lamniformes.[3]
Species
- Occitanodus Guinot, Cappetta & Adnet, 2014
- Occitanodus sudrei Guinot, Cappetta & Adnet, 2014
- Sphenodus Agassiz, 1843
- Sphenodus alpinus Gümbel, 1861
- Sphenodus longidens Agassiz, 1843
- Sphenodus lundgreni Davis, 1890
- Sphenodus macer Quenstedt, 1852
- Sphenodus nitidus Wagner, 1862
- Sphenodus planus Agassiz, 1843
- Sphenodus rectidens Emmons, 1858
- Sphenodus robustidens Seguenza, 1900
- Sphenodus tithonius Gemmellaro, 1871
- Sphenodus virgai Gemmellaro, 1871
References
- ^ "Sphenodus longidens | Shark-References". shark-references.com. Retrieved 2023-12-02.
- PMC 7614348.
- .
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